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### Question: What are the symptoms of DeQuervain's tenosynovitis?
### Response: Patients with DeQuervain's syndrome may experience the following symptoms:
Pain: Pain at the base of the thumb is the main symptom of DeQuervain's syndrome. The pain may be sudden or gradual, and may spread further into the thumb or the forearm. Tenderness and swelling around thumb. Loss of function in the thumb
Ganglion cyst also present with similar symptoms.